51439820

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{14867}}^1$

素因数の和:15049

約数の個数: 24

約数和(自身を含む): 108655344

約数和(自身を除く): 57215524

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 14867, 29734, 59468, 74335, 148670, 297340, 2571991, 5143982, 10287964, 12859955, 25719910, 51439820]

約数ペア:

[(1, 51439820), (2, 25719910), (4, 12859955), (5, 10287964), (10, 5143982), (20, 2571991), (173, 297340), (346, 148670), (692, 74335), (865, 59468), (1730, 29734), (3460, 14867)]